The paper presents a significant advancement in the field of quantum photonic integrated circuits (QPIC) by demonstrating the generation of correlated and entangled photon pairs using a gallium nitride (GaN) microring resonator (MRR) in the telecom C-band. The GaN MRR, designed with a free spectral range of 330 GHz and near-zero anomalous dispersion over 100 nm, is capable of generating energy-time entangled photon pairs with a raw two-photon interference visibility of 95.5±6.5%. The device also exhibits the ability to generate heralded single photons with a typical heralded second-order auto-correlation \( g^{(2)}(0) \) of 0.045±0.001. This work paves the way for the development of chip-scale quantum photonic circuits, leveraging the unique properties of GaN as a material platform for quantum light generation, active and passive manipulation, and detection. The results highlight the potential of GaN for fully on-chip integration of quantum light sources, which is crucial for large-scale quantum information processing and quantum networks.The paper presents a significant advancement in the field of quantum photonic integrated circuits (QPIC) by demonstrating the generation of correlated and entangled photon pairs using a gallium nitride (GaN) microring resonator (MRR) in the telecom C-band. The GaN MRR, designed with a free spectral range of 330 GHz and near-zero anomalous dispersion over 100 nm, is capable of generating energy-time entangled photon pairs with a raw two-photon interference visibility of 95.5±6.5%. The device also exhibits the ability to generate heralded single photons with a typical heralded second-order auto-correlation \( g^{(2)}(0) \) of 0.045±0.001. This work paves the way for the development of chip-scale quantum photonic circuits, leveraging the unique properties of GaN as a material platform for quantum light generation, active and passive manipulation, and detection. The results highlight the potential of GaN for fully on-chip integration of quantum light sources, which is crucial for large-scale quantum information processing and quantum networks.